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20222201222031 = 3139155327312209
BaseRepresentation
bin1001001100100010110010…
…00111101101001110001111
32122121020000222021010100210
410212101121013231032033
510122310032003101111
6111001541225253503
74155001666161504
oct446213107551617
978536028233323
1020222201222031
116497207441a16
122327246334293
13b38c3a049483
144dca8cadd4ab
1525105c4350a6
hex1264591ed38f

20222201222031 has 16 divisors (see below), whose sum is σ = 27157174732800. Its totient is φ = 13384349467008.

The previous prime is 20222201222021. The next prime is 20222201222059. The reversal of 20222201222031 is 13022210222202.

It is not a de Polignac number, because 20222201222031 - 225 = 20222167667599 is a prime.

It is a super-2 number, since 2×202222012220312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20222201221989 and 20222201222007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222201222011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64615255 + ... + 64927463.

It is an arithmetic number, because the mean of its divisors is an integer number (1697323420800).

Almost surely, 220222201222031 is an apocalyptic number.

20222201222031 is a deficient number, since it is larger than the sum of its proper divisors (6934973510769).

20222201222031 is a wasteful number, since it uses less digits than its factorization.

20222201222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467678.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20222201222031 its reverse (13022210222202), we get a palindrome (33244411444233).

The spelling of 20222201222031 in words is "twenty trillion, two hundred twenty-two billion, two hundred one million, two hundred twenty-two thousand, thirty-one".

Divisors: 1 3 139 417 155327 312209 465981 936627 21590453 43397051 64771359 130191153 48494487343 145483462029 6740733740677 20222201222031